Saferexpert WIFI Smart Door & Window Sensors C2

Saferexpert WIFI Smart Door & Window Sensors C2

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If you often go out for a long time, install a door & window sensor is an ideal solution for your home. It can monitor the opening and closing status of the door & window. Anytime you want to check the safety of your home, know right away, right from your phone. It is recommended that each exterior door & window has one.


Ask a Question
  • Can this sensor be used to trigger alexa routines when open/close detected?


  • Will this work good on a sliding glass door looking to be notified if son tried to sneak out at night ?

    Yes, this door and window sensor is sensing motion, as long as the two units are separated, it will send a notification to your mobile phone. If you set up smart linkage on TuyaAPP, you can even make the alarm sound.

  • I want an alarm that will notify me if my children open the door. Will this alarm make noise and wake others up, just to notify me on my phone?

    The detector itself does not have an alarm reminder. It will notify you through the phone. It supports working with voice assistants such as Alexa or Google Assistant. You can set these voice assistants to sound an alarm. Or you can set up smart linkage through TuyaAPP and connect the actions of your door and window sensors with the alarm to achieve your goal.

  • Smart Security Sensor: It detects if the entryway has been opened. An alert notification will send to you in 10 seconds once the sensor triggered; Ideal for the front door, window, etc. Battery power can be check in app; No hub, no extra cost.
  • Programmable Sensor: Extend your smart home automation with the wifi door sensor. Set up schedule in the App. Automatically turn on your smart lights switches when the door opened. More smart devices can be sync as long if they compatible with App. Support 2.4Ghz WiFi only.
  • Hand-Free Voice Control: It works with Amazon Alexa, Google Assistant, IFTTT, and Smart voice control. Just give a voice command to open the door. Your voice device will work as a siren when the sensor triggered. Saving your time and make your smart home life more convenient.
  • Peace of Mind: All alarm record history can check in App. The sensor is a built-in low consumption module. 2*AAA battery power provides 1-year monitoring. All family can check the status and get notified at the same time.
  • Note: The sensor does not include a siren, but you can program it to some smart voice devices via the Smart Life App. When the sensor triggered, the voice devices will alert in 10 seconds.


  • Input voltage:  DC3V  LR03
  • Standby Current: 10uA
  • Low power Under Voltage: ≤2.7V
  • WIFI: 2.4GHz   802.11b/g/n
  • Magnetic Control Distance: ≥15m
  • Operating Temperature: -10℃~50℃
  • Operating Humidity: max 95%RH
  • Size: Main body: 69.5mm x 24mm x 16mm, Small body: 40.5mm x 14.8mm x 16mm